That's so beast!

something is either really cool or bad.

Jim: you won't

Sam: im gonna do it!
(he hits a girl on the ass)
Jim: That's so beast!

by Tom Bomb Carrol May 22, 2010

so beast

something to say when you don't think that someone is so beast, meant sarcastically. usually said in a funny voice

you're so beast kid

by j-rob mad fresh April 22, 2010